import { useState, useCallback } from 'react';
import { useStore } from '../store/useStore';

export const useSerial = () => {
  const [port, setPort] = useState<any>(null);
  const { setConnectedDevice, setLoading } = useStore();

  const connect = useCallback(async () => {
    if (!('serial' in navigator)) {
      alert('您的浏览器不支持 Web Serial API');
      return;
    }

    try {
      setLoading(true);
      const port = await (navigator as any).serial.requestPort();
      await port.open({ baudRate: 9600 });
      setPort(port);
      
      setConnectedDevice({
        id: 'serial-port',
        name: '串口设备',
        type: 'serial',
        status: 'connected'
      });
      
      console.log('Serial Port Connected');
    } catch (error) {
      console.error('Serial Connection Error:', error);
    } finally {
      setLoading(false);
    }
  }, [setConnectedDevice, setLoading]);

  const disconnect = useCallback(async () => {
    if (port) {
      await port.close();
    }
    setPort(null);
    setConnectedDevice(null);
  }, [port, setConnectedDevice]);

  return { port, connect, disconnect };
};